If you feel a relatively long bone with a short, sharp process at its narrow end and a large hook around a groove at its larger end, it is most likely the .

Clavicle

Explanation:

Clavicle can be described as the collar bone which is present in long and horizontal form for making shoulder girdle.It is placed between breast  bone and shoulder blade.It has sternal ends and  acromial end.

According to other question , a bone that has elongated form and gets narrowed at ends along with large hook near canal of the bigger end.This is suggested to be clavicle .